21870480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91127}}^1$

素因数の和:91143

約数の個数: 40

約数和(自身を含む): 67799232

約数和(自身を除く): 45928752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91127, 182254, 273381, 364508, 455635, 546762, 729016, 911270, 1093524, 1366905, 1458032, 1822540, 2187048, 2733810, 3645080, 4374096, 5467620, 7290160, 10935240, 21870480]

約数ペア:

[(1, 21870480), (2, 10935240), (3, 7290160), (4, 5467620), (5, 4374096), (6, 3645080), (8, 2733810), (10, 2187048), (12, 1822540), (15, 1458032), (16, 1366905), (20, 1093524), (24, 911270), (30, 729016), (40, 546762), (48, 455635), (60, 364508), (80, 273381), (120, 182254), (240, 91127)]